Table 2 Correlations among cognitive function, physical fitness, and social networks
Variable | Minimum | Maximum | Mean | SD | Correlation coefficient (r) | ||
|---|---|---|---|---|---|---|---|
Cognitive function | Physical fitness | Social networks | |||||
Cognitive function | 0 | 30 | 22.6 | 5.03 | 1 | ||
Physical fitness | 0 | 142 | 60.5 | 25.97 | 0.17*** | 1 | |
Social networks | 0 | 30 | 13.7 | 6.55 | 0.08*** | 0.10*** | 1 |